Home / 315,254.04-435,115.32-192,767.36

Finding the Fourth Proportional to 315,254.04, 435,115.32 and 192,767.36

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Solution

The fourth proportional to 315,254.04, 435,115.32 and 192,767.36 is: 266,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,254.04 : 435,115.32 = 192,767.36 : x
  2. Step 2: Convert to fraction form
    315,254.04/435,115.32 = 192,767.36/x
  3. Step 3: Cross multiply
    315,254.04x = 435,115.32 × 192,767.36
  4. Step 4: Simplify right side
    315,254.04x = 83,876,031,531.96
  5. Step 5: Solve for x
    x = 83,876,031,531.96/315,254.04
  6. Step 6: Final answer
    x = 266,058.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.